Easily drill holes in block, brick, asphalt, & rebar enforced concrete
Vented side wall for air cooling and debris escape. Designed to cut up to 9" deep, with 5/8-11" thread that will screw on to your 7" or 9" high speed angle grinder, hand held core drill, or insert a Jacobs Chuck Adapter for use in conventional drills.*HAMMER DRILL CAUTION: USE ONLY IN HAMMER DRILLS EQUIPPED WITH ROTARY ONLY OPTION. NOT FOR USE IN HAMMER MODE,